id	keyword
esrj-33850	samples
esrj-33850	ucs
esrj-33850	rock
esrj-33850	strength
esrj-33850	properties
esrj-33850	analysis
esrj-33850	travertine
esrj-33850	compressive
esrj-33850	index
esrj-33850	regression
esrj-33850	limestone
esrj-33850	carbonate
esrj-33850	uniaxial